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A156289 as a triangular array

1
13
11515
163210105
125522053150945
1102321120658355197510395
1409519519512012001891890945945135135
1163831777230205855655810805054864810189189002027025
16553516076985

A156289 as a square array

111111111
31563255102340951638365535
15210220521120195195177723016076985
105315065835120120020585565
94551975189189058108050
1039594594554864810
13513518918900
2027025

A156289 as an upper right triangle

111111111
31563255102340951638365535
15210220521120195195177723016076985
105315065835120120020585565
94551975189189058108050
1039594594554864810
13513518918900
2027025

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)